function clearField(name,length)
{
if (document.getElementById(name).maxLength != length) {
    document.getElementById(name).value="";
    document.getElementById(name).maxLength=length;
    }
}

function EmailReg(emailval)
{
if (!isEmailNew(emailval))
   {alert("Invalid email address");
    return false;
	}
else
   {
    frmRegEmail.submit();
   }
}

function isEmailNew (s) {
	var regex = new RegExp("^[a-zA-Z0-9._%+-]+@(?:[a-zA-Z0-9-]+\.)+[a-zA-Z]{2,6}$");
	return regex.test(s);
}